Parses invalid func param with non-simple parameter lists
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- TypeScript
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Description
Doesn't fail correctly with non-simple parameter lists.
Steps to reproduce
esprima.parse('function f([x] = [1]) { "use strict" }')
Expected output
Should fail
Actual output
Passes
Relevant references
Works as expected in Acorn, Shift and others
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue through the esprima.parse entry point with the function declaration shown in the report, then trace how non-simple parameter lists are validated in strict mode. Done means the input is rejected as expected and a regression test covers this case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100